Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 13 204j1 inspec40

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13-2
INTAKE - INTAKE AIR CONTROL SYSTEM
1306U-01

INSPECTION

1. INSPECT INTAKE AIR CONTROL VALVE ASSY NO.2
(a) With 26.7 kPa (200 mm Hg, 7.9 in. Hg) of vacuum applied
to the actuator, check that the actuator rod moves.
(b) One minute after applying the vacuum, check that the ac-
tuator rod does not return.
(c) If the operation is not as specified, replace the intake air
control valve assembly No.2.

A82243

2. INSPECT INTAKE AIR CONTROL VALVE ASSY NO.3
(a) Inspect actuator operation
(1) With 26.7 kPa (200 mm Hg, 7.9 in. Hg) of vacuum
applied to the actuator, check that the actuator rod
moves.
(2) One minute after applying the vacuum, check that
the actuator rod does not return.
(3) If the operation is not as specified, replace the in-
A75330 take air control valve No.3.

Ohmmeter (b) Inspect VSV operation
(1) Using an ohmmeter, check the resistance between
the terminals.
Resistance: 37 to 44 at 20_C (68_F)
If the resistance is not as specified, replace the VSV.

Resistance A75331

Ohmmeter (2) Inspect the VSV for ground.
S Using an ohmmeter, check that there is no
continuity between each terminal and the
body.
If there is continuity, replace the VSV.

No Continuity A75332

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2296
13-3
INTAKE - INTAKE AIR CONTROL SYSTEM

(3) Inspect the VSV operation.
Filter S Check that air flows from port E to the filter.

E
Air

A75333

S Apply battery voltage across the terminals.
S Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.

F
E Air

Battery
A75334

3. INSPECT AIR CLEANER CAP SUB-ASSY
(a) Cover port C with finger, and check that air flows from port
B to port A.
C (b) Cover port C with finger, and check that air does not flow
from port A to port B.
A (c) Cover port A and C with fingers, and apply 60 kPa (450
B mm Hg, 18 in. Hg) of vacuum to port B, and check that
there is no change of vacuum after one minute.
A51995

Ohmmeter Resistance 4. INSPECT VACUUM SWITCHING VALVE ASSY NO.1
(a) Inspect the VSV for open circuit.
(1) Using an ohmmeter, check the resistance between
the terminals.
Resistance: 33 to 39 at 20_C (68_F)
If the resistance is not as specified, replace the VSV.

S04525

Ohmmeter (b) Inspect the VSV for ground.
No Continuity
(1) Using an ohmmeter, check that there is no continu-
ity between each terminal and the body.
If there is continuity, replace the VSV.

S04524

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2297
13-4
INTAKE - INTAKE AIR CONTROL SYSTEM

Air
(c) Inspect the VSV operation.
(1) Check that air flows from port E to the filter.

Filter

FI6393

(2) Apply battery voltage across the terminals.
Air (3) Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.

F
Battery
S04523

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2298

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